clear up wxStringBuffer docs a bit

[wxWidgets.git] / include / wx / stream.h

diff --git a/include/wx/stream.h b/include/wx/stream.h
index 2c770c2b3e21e04fdf230bada2760eef5a73e106..3824fd1026e83fac46d0c4f52cae1263c334ce6b 100644 (file)
--- a/include/wx/stream.h
+++ b/include/wx/stream.h
@@ -12,7 +12,7 @@
 #ifndef _WX_WXSTREAM_H__
 #define _WX_WXSTREAM_H__
 
-#if defined(__GNUG__) && !defined(__APPLE__)
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma interface "stream.h"
 #endif
 
@@ -81,7 +81,7 @@ public:
     // reset the stream state
     void Reset() { m_lasterror = wxSTREAM_NO_ERROR; }
 
-    // deprecated (doesn't make sense!), don't use
+    // this doesn't make sense for all streams, always test its return value
     virtual size_t GetSize() const { return 0; }
 
 #if WXWIN_COMPATIBILITY_2_2
@@ -91,8 +91,8 @@ public:
 #endif // WXWIN_COMPATIBILITY_2_2
 
 protected:
-    virtual off_t OnSysSeek(off_t seek, wxSeekMode mode);
-    virtual off_t OnSysTell() const;
+    virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
+    virtual wxFileOffset OnSysTell() const;
 
     size_t m_lastcount;
     wxStreamError m_lasterror;
@@ -159,7 +159,7 @@ public:
     // all the requested data or not
     virtual size_t LastRead() const { return wxStreamBase::m_lastcount; }
 
-    // returns TRUE if some data is available in the stream right now, so that
+    // returns true if some data is available in the stream right now, so that
     // calling Read() wouldn't block
     virtual bool CanRead() const;
 
@@ -181,7 +181,7 @@ public:
 
     // put back the specified character in the stream
     //
-    // returns TRUE if ok, FALSE on error
+    // returns true if ok, false on error
     bool Ungetch(char c);
 
 
@@ -192,10 +192,10 @@ public:
     // it)
     //
     // returns wxInvalidOffset on error
-    virtual off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart);
+    virtual wxFileOffset SeekI(wxFileOffset pos, wxSeekMode mode = wxFromStart);
 
     // return the current position of the stream pointer or wxInvalidOffset
-    virtual off_t TellI() const;
+    virtual wxFileOffset TellI() const;
 
 
     // stream-like operators
@@ -232,6 +232,8 @@ protected:
     size_t m_wbackcur;
 
     friend class wxStreamBuffer;
+
+    DECLARE_NO_COPY_CLASS(wxInputStream)
 };
 
 // ----------------------------------------------------------------------------
@@ -248,8 +250,8 @@ public:
     virtual wxOutputStream& Write(const void *buffer, size_t size);
     wxOutputStream& Write(wxInputStream& stream_in);
 
-    virtual off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart);
-    virtual off_t TellO() const;
+    virtual wxFileOffset SeekO(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+    virtual wxFileOffset TellO() const;
 
     virtual size_t LastWrite() const { return wxStreamBase::m_lastcount; }
 
@@ -264,6 +266,8 @@ protected:
     virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
 
     friend class wxStreamBuffer;
+
+    DECLARE_NO_COPY_CLASS(wxOutputStream)
 };
 
 // ============================================================================
@@ -280,14 +284,16 @@ public:
     wxCountingOutputStream();
 
     size_t GetSize() const;
-    bool Ok() const { return TRUE; }
+    bool Ok() const { return true; }
 
 protected:
     virtual size_t OnSysWrite(const void *buffer, size_t size);
-    virtual off_t OnSysSeek(off_t pos, wxSeekMode mode);
-    virtual off_t OnSysTell() const;
+    virtual wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
+    virtual wxFileOffset OnSysTell() const;
 
     size_t m_currentPos;
+
+    DECLARE_NO_COPY_CLASS(wxCountingOutputStream)
 };
 
 // ---------------------------------------------------------------------------
@@ -362,16 +368,16 @@ public:
     virtual char Peek();
     virtual char GetChar();
     virtual void PutChar(char c);
-    virtual off_t Tell() const;
-    virtual off_t Seek(off_t pos, wxSeekMode mode);
+    virtual wxFileOffset Tell() const;
+    virtual wxFileOffset Seek(wxFileOffset pos, wxSeekMode mode);
 
     // Buffer control
     void ResetBuffer();
 
     // NB: the buffer must always be allocated with malloc() if takeOwn is
-    //     TRUE as it will be deallocated by free()
-    void SetBufferIO(void *start, void *end, bool takeOwnership = FALSE);
-    void SetBufferIO(void *start, size_t len, bool takeOwnership = FALSE);
+    //     true as it will be deallocated by free()
+    void SetBufferIO(void *start, void *end, bool takeOwnership = false);
+    void SetBufferIO(void *start, size_t len, bool takeOwnership = false);
     void SetBufferIO(size_t bufsize);
     void *GetBufferStart() const { return m_buffer_start; }
     void *GetBufferEnd() const { return m_buffer_end; }
@@ -469,8 +475,8 @@ public:
     wxInputStream& Read(void *buffer, size_t size);
 
     // Position functions
-    off_t SeekI(off_t pos, wxSeekMode mode = wxFromStart);
-    off_t TellI() const;
+    wxFileOffset SeekI(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+    wxFileOffset TellI() const;
 
     // the buffer given to the stream will be deleted by it
     void SetInputStreamBuffer(wxStreamBuffer *buffer);
@@ -481,8 +487,8 @@ public:
 
 protected:
     virtual size_t OnSysRead(void *buffer, size_t bufsize);
-    virtual off_t OnSysSeek(off_t seek, wxSeekMode mode);
-    virtual off_t OnSysTell() const;
+    virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
+    virtual wxFileOffset OnSysTell() const;
 
     wxStreamBuffer *m_i_streambuf;
 
@@ -504,8 +510,8 @@ public:
     wxOutputStream& Write(const void *buffer, size_t size);
 
     // Position functions
-    off_t SeekO(off_t pos, wxSeekMode mode = wxFromStart);
-    off_t TellO() const;
+    wxFileOffset SeekO(wxFileOffset pos, wxSeekMode mode = wxFromStart);
+    wxFileOffset TellO() const;
 
     void Sync();
 
@@ -520,8 +526,8 @@ public:
 
 protected:
     virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
-    virtual off_t OnSysSeek(off_t seek, wxSeekMode mode);
-    virtual off_t OnSysTell() const;
+    virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
+    virtual wxFileOffset OnSysTell() const;
 
     wxStreamBuffer *m_o_streambuf;